19540560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6263}}^1$

素因数の和:6292

約数の個数: 80

約数和(自身を含む): 65245824

約数和(自身を除く): 45705264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6263, 12526, 18789, 25052, 31315, 37578, 50104, 62630, 75156, 81419, 93945, 100208, 125260, 150312, 162838, 187890, 244257, 250520, 300624, 325676, 375780, 407095, 488514, 501040, 651352, 751560, 814190, 977028, 1221285, 1302704, 1503120, 1628380, 1954056, 2442570, 3256760, 3908112, 4885140, 6513520, 9770280, 19540560]

約数ペア:

[(1, 19540560), (2, 9770280), (3, 6513520), (4, 4885140), (5, 3908112), (6, 3256760), (8, 2442570), (10, 1954056), (12, 1628380), (13, 1503120), (15, 1302704), (16, 1221285), (20, 977028), (24, 814190), (26, 751560), (30, 651352), (39, 501040), (40, 488514), (48, 407095), (52, 375780), (60, 325676), (65, 300624), (78, 250520), (80, 244257), (104, 187890), (120, 162838), (130, 150312), (156, 125260), (195, 100208), (208, 93945), (240, 81419), (260, 75156), (312, 62630), (390, 50104), (520, 37578), (624, 31315), (780, 25052), (1040, 18789), (1560, 12526), (3120, 6263)]